You forget 90% of your dreams.
256
Babies crawl an average of 200m a day.
212
The oldest stone tools found are dated from 2.7 - 2.9 million years ago. The species that made these tools is unknown.
13
Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89
In one day, adult lungs move about 10,000 litres of air.
11
A human brain produces as many as 12,000 to 50,000 thoughts per day, depending on how deep a thinker a person is.
23
Early American humans hunted car-size armadillos and used their shells for houses.
12
Shark corneas are used in eye transplants and shark bone marrow can be used to graft human bones.
132